(In reply to Vijay Bellur from comment #1)
> Can you please try by disabling open-behind? open-behind can be disabled by:
>
> #gluster volume set d01r1 open-behind off
>
> If this addresses the problem, a fix is available in 3.4.1.
Thanks!
I'll try "pen-behind off" and glusterfs version 3.4.1.

> #gluster volume set d01r1 open-behind off
It solved at "open-behind off" at version 3.4.0.
> If this addresses the problem, a fix is available in 3.4.1.
I checked the fix at version 3.4.1.
Thanks for your help.

(In reply to hiro-su from comment #4)
> http://www.gluster.org/download/
> Latest Version: GlusterFS 3.4 (ver. 3.4.0 – July 14, 2013)
>
> Is it possibly ver. 3.4.1?
Yes, this should be 3.4.1. We will have it fixed.